Intermediate Algebra – Student Workbook – Second Edition 2013

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$Lesson 2a – Assessment - Scottsdale Community College - Math Blog$

Lesson 3b – More Exponential Functions Assessment 3. The following data set gives the value of a car over time. Years since purchase Value in Dollars 0 21,425 1 18,097 2 15,137 3 12,749 5 8,960 8 5,311 a) Determine an exponential regression equation for this data set. Clearly indicate what each variable represents. b) Use the regression equation from part a to predict the value of the car after 12 years. c) Based on the regression equation, at what percent rate is the car’s value decreasing each year? Scottsdale Community College Page 142 Intermediate Algebra
Lesson 4a – Introduction to Logarithms Logarithms are really exponents in disguise and hopefully you will have that understanding after you complete this lesson. You will start by working with the LOG button on your calculator and then building an understanding of logarithms as exponents. You will learn how to read and interpret logarithms and how to compute with base 10 and other bases as well. Prior to solving logarithmic equations, you will learn about changing back and forth form logarithmic to exponential forms. The section titled, “Why do we care about Logarithms” will give you some practical foundation in their use as a scaling tool. Finally, you will use what you learned about changing forms to solve logarithmic equations. Pay close attention to the idea of exact form vs. approximate form for solutions. Lesson Objectives: 1. Discuss the concept of LOGARITHMS as exponents 2. Read and interpret LOGARITHMS 3. Compute LOGARITHMS with base 10 (Common Logarithms) 4. Compute LOGARITHMS with bases other than 10 5. Change an equation from LOGARITHMIC FORM to EXPONENTIAL FORM and vice versa 6. Discuss LOGARITHMS as a scaling tool 7. Solve LOGARITHMIC EQUATIONS by changing to EXPONENTIAL FORM 8. Determine EXACT FORM and APPROXIMATE FORM solutions for LOGARITHMIC EQUATIONS Scottsdale Community College Page 143 Intermediate Algebra
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Scottsdale Community College Interm
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Table of Contents Lesson 1a - Intro
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Lesson 1a - Introduction to Functio
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Lesson 1b - Linear Equations In the
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Lesson 1b - Linear Equations Mini-L
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Lesson 6a - Exponents and Rational
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Lesson 6b - Rational Exponents & Ra
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Lesson 6b - Rational Exponents and
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Appendix A: You Try Answers Lesson
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Appendix A: You Try Answers You Try
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Intermediate Algebra – Student Workbook – Second Edition 2013

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